托福模考试题和答案汇总:托福听力考题(讲座类)和答案解析

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托福听力对话类模考试题和答案

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Listening Practice Set 2

Directions: Now answer the questions.

1. What is the lecture mainly about?

(A) How animals emit ultrasonic pulses

(B) How bats use acoustical signals

(C) A comparison of echolocation and radar

(D) Variations among bats in the use of ultrasound

2. Why does the professor decide NOT to add more information to the diagram on the board?

(A) She wants students to complete the diagram themselves as an assignment.

(B) She needs to look up some information in order to complete the diagram accurately.

(C) The additional information is not relevant to the topic that she wants to discuss next.

(D) Students already have the additional information in their textbook.

3. According to the professor, what are two ways in which a moth might react when it detects the presence of a bat?[Choose 2 answers.]

(A) The moth might stop beating its wings.

(B) The moth might emit high-frequency sounds.

(C) The moth might leave the area.

(D) The moth might change its color to match its surroundings.

4. What surprising information did a recent experiment reveal about lesser spear-nosed bats?

(A) They filter out echoes from some types of trees.

(B) They can analyze echoes from stationary objects with complex surfaces.

(C) They cannot analyze “jagged” echoes.

(D) They cannot analyze echoes from certain types of small moving objects.

5. According to the professor, why does a pine tree produce a “smooth” echo?

(A) Because it has a smooth trunk

(B) Because it has large branches spaced at regular intervals

(C) Because it has many small, densely packed needles

(D) Because it remains stationary in all types of weather

6. Part of the conversation is repeated below. Read it and answer the question.

Female Professor Now, before I go on, let me just respond to something Carol was saying—this idea that bats are blind

Why does the professor say this:

Female Professor Now, before I go on, let me just respond to something Carol was saying

(A) To answer a question that Carol asked

(B) To correct a statement that Carol made

(C) To praise Carol for an example that she gave

(D) To give an example of a principle that Carol stated

Listening Practice Set 4

Directions: Now answer the questions.

1. What is the main purpose of the lecture?

(A) To compare active habitat selection with passive habitat selection

(B) To show that most habitat preferences in animals are learned

(C) To compare the habitat requirements of several bird species

(D) To examine the consequences of habitat selection by animals

2. What element of the plover’s habitat in California was threatened?

(A) The availability of food

(B) The availability of water

(C) The safety of nests from human activity

(D) The protection of nests from predatory birds

3. What does the professor illustrate with the example of the blue warbler?

(A) The relationship between human activity and habitat loss

(B) The relationship between habitat and reproductive success

(C) The advantages of habitats with low vegetation density

(D) The reproductive advantage that young warblers have over older warblers

4. Why does the professor mention the population density of blackcaps in two different habitats?

(A) To explain the similar reproductive rates in the two habitats

(B) To explain the relation between a species’ population density and its nesting behavior

(C) To illustrate the advantages of a preferred habitat over a secondary habitat

(D) To illustrate the possible impact of making a poor habitat selection

5. According to the professor, why did some blackcaps choose a secondary habitat?

(A) They were following a moving food supply.

(B) Their preferred habitat was taken over by another bird species.

(C) Their nesting sites were disturbed by human activity.

(D) Their preferred habitat became too competitive.

6. What can be inferred about the professor when she says this:

Female Professor OK, that’s habitat destruction. But now what about cases where an animal exhibits a clear choice, one suitable habitat over another—in cases like that, does the preference matter?

(A) She realizes that she just contradicted a statement she made earlier.

(B) She is about to discuss another aspect of the topic.

(C) She thinks the answer to her question is obvious.

(D) She wants students to recall a case that she has already discussed.

Listening Practice Set 5

Directions: Now answer the questions.

1. What is the lecture mainly about?

(A) Different kinds of trees used for building canoes

(B) Various methods of Native American transportation

(C) The value of birch trees to some Native American groups

(D) The trading of birch wood products by Europeans in North America

2. According to the professor, what characteristics of birch bark made it useful to Native Americans?

[Choose 2 answers.]

(A) It repels water.

(B) It can be eaten.

(C) It is easy to fold.

(D) It has a rough texture.

3. According to the professor, why was the canoe important to some Native American groups?

[Choose 2 answers.]

(A) There was a network of waterways where they lived.

(B) Snowy winters made land travel too difficult.

(C) Some Native American groups sold their canoes to other groups.

(D) Canoe travel helped form relationships between groups of Native Americans.

4. Why does the professor mention French traders who arrived in the Iroquois region?

(A) To illustrate how far news of the Iroquois canoe design had traveled

(B) To explain the kinds of objects the Iroquois received in exchange for their canoes

(C) To support her point about how efficient the Iroquois canoe design was

(D) To emphasize that the Iroquois were the first settlers in that region

5. Why does the student say this:

Male Student Umm, I know people make utensils out of wood, but utensils out of tree bark?

(A) To share what he knows about birch wood

(B) To point out a misprint in the textbook

(C) To bring up a point from a previous lecture

(D) To request more explanation from the professor

6. Why does the professor say this:

Female Professor The canoes allowed them to travel over a vast area that-that today would take a few hours to fly over.

(A) To show how slow canoe travel was

(B) To illustrate the size of a geographic area

(C) To compare different means of travel

(D) To describe how waterways change over time

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